content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.impl.operators;
  
  import hu.akarnokd.reactive4javaflow.*;
  import hu.akarnokd.reactive4javaflow.fused.FusedSubscription;
  import org.junit.Test;
  
  import java.io.IOException;
  
  public class FolyamDeferTest {
      @Test
      public void normal() {
          Folyam<String> f = Folyam.defer(() -> {
              int[] counter = { 0 };
              return Folyam.range(1, 5)
                  .map(v -> (counter[0]++) + "-" + v);
          });
  
          f.test().assertResult("0-1", "1-2", "2-3", "3-4", "4-5");
          f.test().assertResult("0-1", "1-2", "2-3", "3-4", "4-5");
      }
  
      @Test
      public void differentReturns() {
          int[] counter = { 0 };
          Folyam<Integer> f = Folyam.defer(() -> Folyam.just(++counter[0]));
  
          f.test().assertResult(1);
          f.test().assertResult(2);
          f.test().assertResult(3);
      }
  
      @Test
      public void factoryCrashes() {
          Folyam.defer(() -> {
              throw new IOException();
          })
          .test()
          .assertFailure(IOException.class);
      }
  
      @Test
      public void fusionAvailable() {
          Folyam.defer(() -> Folyam.range(1, 5))
                  .test(5, false, FusedSubscription.ANY)
                  .assertFusionMode(FusedSubscription.SYNC)
                  .assertResult(1, 2, 3, 4, 5);
      }
  }
  